Glass Microspheres

Lightweight, Sandable Filler for Surface Layers

When blended with resin, these hollow glass spheres make a lightweight, sandable filler, perfect for filling in fabric weave, shallow blisters, and the surfaces of core materials. The average bubble is less than 70 microns, about a quarter of a grain of salt. Select this unique size and shape for a variety of reasons:

Tiny spheres blend readily for an evenly spreadable paste.

They're adaptable to a variety of production processes such as spraying, casting, and molding.